High efficiency alkaline earth metal thiogallate-based...

Details High efficiency alkaline earth metal thiogallate-based... High efficiency alkaline earth metal thiogallate-based...

2006-10-24

2006-10-24

Koslow, C. Melissa (Department: 1755)

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

Reexamination Certificate

active

07125501

ABSTRACT:
Provided, among other things, is a strontium calcium thiogallate phosphor doped with divalent europium, and having the following formula:in-line-formulae description="In-line Formulae" end="lead"?Sr1-xCaxGa2S4:yEu2+.zGa2S3,in-line-formulae description="In-line Formulae" end="tail"?where x is 0.0001 to 1, y is a value defining sufficient Eu2+to provide luminescent emission, and z is 0.0001 to 0.2 based on the mole amount of Sr1-xCaxGa2S4:yEu2+.

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